1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a8c11acd143273168e30f86a8d511fe734b63812738c1e62d1a5651cdc804ea. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/46aa2634-6aef-43e3-b085-7471a84eda0d.json and https://artists.proofprofile.net/proofs/artist/46aa2634-6aef-43e3-b085-7471a84eda0d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bli Min Död (feat. Seinabo Sey & medlemmar ur Fläskkvartetten)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79311fe81cdca85b9c6421cb7e335df3b65d71b67f5b86a20e0c9d36ab962c31. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1100802.
15 År (feat. Alexis Weak & Jonas Lundqvist)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66b86ef668757ac6e78a92a15c5952f4fe5ced8248343d30c003417a29a6abfc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1100807.
Bli Min Död / Addendum (feat. Seinabo Sey, Moreless Morles & medlemmar ur Fläskkvartetten)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8223e3aba52b13e7a7fdbd7e7173fe7966f2771a8855bb7d508e6eb52162a451. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1100805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347a0a328dc5ed665fd337d1b4a1368684acbc3478d630eb00f35dcdd1a46e43. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1400701.
Aldrig nånsin (feat. Min Stora Sorg & Gabi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e8900a2ad1e0657d1e7c9e0b5a790ad7439ef37f4b2f2ae6171ff168d2f44f4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1400801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347a0a328dc5ed665fd337d1b4a1368684acbc3478d630eb00f35dcdd1a46e43. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1400701.
Det vackra fula (feat. Niklas von Arnold)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x169ca7800a301c5158b2ee5a674b6c7f2cb97dd8775b4d220570b421f7dbfaf3. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1400807.
Tystnaden (feat. Michel Dida & Min Stora Sorg)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaad214e9073ed9dc217af394493af1daaf0c660076df58093b49593a79f2f9f. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEXZC1400811.
Politik Som Vanligt (feat. Niklas von Arnold)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fdfcd1f070b337de366ca645b265450b25e1cf433d7cbc2b4c7d05a98f0aaee. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:21:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42500201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa7d2fd98ee91ddfcc65956c6991baf38fdf470a236ff3f6b0b4fc80b39fe1f. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42500301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86abae0b358e12931ff512c593b803fb0fca0a029c0240b1c3a8c239b4d6048. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x271476ef290c1dffa47cb7bdb0a51e8e22c0e85eb79f495f6eb1fa5d04948884. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T13:55:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3715a12f93bd95ff2dcb66bbff04604f78406ad02f4a327f49744d352c319007. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2bc7137370dd66bcf51164e3ec489f71275cd7666131828f183db1e831467c3. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ac57fbec02035fadb58965737402c7054109da31d6671dea05f8892c51ef511. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83e61a7e6bd14f2a142a601579558d59974d66132c39776abec88d27c8f004c3. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d1dcdae85beeb9273b2e83cef34b5b6e5ad3249c33a6d9d057da0b798a8c4f. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2e6f0cfdf5538334733db525fe6d8d23148d7d1117f54e898bd3155aef54642. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33692f8b36436cce45b7bf529258e6913dba7cfb8bcb58282746757c99273bee. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f21b783cc2a8c2cb0cb7fed8e0c5156589a143dcb6016d276eaeaf37981a159. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c2c35c227cbd15f2106d2e5a4ffafbc17b936899633ae206d023ab0eec9122. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5Q42400406.